Learn: Sunday of St. John Climacus - Greek Orthodox Archdiocese of America
On March 30 and on the Fourth Sunday of Holy Lent the Orthodox Church commemorates our Righteous Father John Climacus. He is called Climacus due to his authorship of the great spiritual work The Ladder of Divine Ascent. His commemoration is designated by the Church on one of the Sundays of Lent as his life and writings affirm him as a supreme bearer and proponent of Christian asceticism. The ascetic example of this great Saint of the Church inspires us in our Lenten journey.
Source: goarch.org